diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index ae1549f..0390c81 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -8,6 +8,9 @@ on:
     branches:
     - main
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-latest